Bug during battle "Medieval 2 has encountered an unspecified error"

[Lunchbox4332]

Below is the system log I recieve when attempting to play a battle during my Danish campaign:

22:17:25.518 [system.rpt] [always] CPU: SSE2
22:17:25.519 [system.rpt] [always] ==== system log start, build date: Sep 5 2014 version development ===
22:17:25.522 [system.io] [always] mounted pack packs/data_0.pack
22:17:25.523 [system.io] [always] mounted pack packs/data_1.pack
22:17:25.523 [system.io] [always] mounted pack packs/data_2.pack
22:17:25.524 [system.io] [always] mounted pack packs/data_3.pack
22:17:25.524 [system.io] [always] mounted pack packs/data_4.pack
22:17:25.524 [system.io] [always] mounted pack packs/localized.pack
22:18:44.390 [game.script] [error] Script execution error for <label_unit>, at line 12591, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.390 [game.script] [error] Script execution error for <label_unit>, at line 12592, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.390 [game.script] [error] Script execution error for <label_unit>, at line 12593, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12594, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12608, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12609, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12610, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12611, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12612, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12613, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12614, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12615, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.391 [game.script] [error] Script execution error for <label_unit>, at line 12616, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12618, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit16'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12618, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit17'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12618, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit18'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12618, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit19'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit30'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit31'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit32'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit33'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit34'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit35'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit36'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit37'.
22:18:44.392 [game.script] [error] Script execution error for <define_unit_group>, at line 12619, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit38'.
22:20:18.945 [game.script] [error] Script execution error for <label_unit>, at line 12749, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12750, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12751, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12752, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12753, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12754, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12755, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12756, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12757, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12758, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12759, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12760, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12761, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12782, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <label_unit>, at line 12783, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
label_unit referenced non-existent unit
22:20:18.946 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit45'.
22:20:18.946 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit46'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit47'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit48'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit49'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit50'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit51'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit52'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit53'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit54'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit55'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit56'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12785, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit57'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12786, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit75'.
22:20:18.947 [game.script] [error] Script execution error for <define_unit_group>, at line 12786, in mods/SS6.3/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Error in battle script command 'define_unit_group': invalid unit label 'unit76'.
22:24:54.567 [system.rpt] [error] Medieval 2: Total War encountered an unspecified error and will now exit.

This bug only occurs during this one battle, and tends to happen mid-way through the battle.

[k/t]

In two and a half years on this forum you didn't notice the Bugs forum or learn about spoiler tags?