How about posting the console.log and let us judge what is interesting or not.
Hmm... It can be some missing textures on the Blockstang. I'll disable it and try again.
Loading Add-On: Brick_SvennesAdd-Ons/Brick_Svennes/server.cs Line: 440 - Syntax error.>>> Some error context, with ## on sides of error halt:^uiName = "32x64 base";};datablock fxDTSBrickData (brick8x12fBrickData)¨####{^brickfile = "./8x12f.blb";^category = "Plates";^subCategory = "8x";>>> Error report complete.Executing Add-Ons/Brick_Svennes/server.cs.Add-Ons/Brick_Svennes/server.cs Line: 440 - Syntax error.>>> Some error context, with ## on sides of error halt:^uiName = "32x64 base";};datablock fxDTSBrickData (brick8x12fBrickData)¨####{^brickfile = "./8x12f.blb";^category = "Plates";^subCategory = "8x";>>> Error report complete.49 datablocks added.