Publishing TM Getting error

I am trying to publish TM that is around 8000 page. We can publish each chapter separately but when we combined into whole TM, we get this error . 

PTC Arbortext Editor (Build 8.1.3.1-2) terminated unexpectedly at Fri Feb  6 15:21:47 2026:

[A17120] Assertion failed: size < TXF_MARK, file D:\jenkins\workspace\Adept_1\adept\src\pub\pub\edit\src\stortxt.cpp, line 534

Current ACL statement at "C:\progra~1\PTC\arbort~1\packages\main\_grhook.acl":264:
  264 [1]   return path

ACL function traceback at time of error:
#1   layout::format(doc=31, sourcedoc=31, sstype="", force=1) at "C:\progra~1\PTC\arbort~1\packages\main\_grhook.acl":264
#2   comp_pdf::pdf_postprocessing(doc=31, params=inParams[], interactive=1)
#3   compose::compose_for_type_int(doc=31, comp_type="pdf", interactive=1, inParams=inParams[], preprocessing_function="comp_pdf::pdf_preprocessing", dialog_function="comp_pdf::dialog_for_pdf", param_fixup_function="comp_pdf::pdf_parameter_fixup", postprocessing_function="comp_pdf::pdf_postprocessing") at "C:\progra~1\PTC\arbort~1\packages\tools\compose.acl":2672
#4   compose::compose_for_type(doc=31, comp_type="pdf", interactive=1, inParams=current_params[], prefn="comp_pdf::pdf_preprocessing", dialogfn="comp_pdf::dialog_for_pdf", paramfn="comp_pdf::pdf_parameter_fixup", postfn="comp_pdf::pdf_postprocessing") at "C:\progra~1\PTC\arbort~1\packages\tools\compose.acl":1761
#5   compose::compose_for_pdf(doc=31, batch_params=dummy[]) at "C:\progra~1\PTC\arbort~1\packages\tools\comp_pdf.acl":324
#6   compose_pdf() at "C:\progra~1\PTC\arbort~1\packages\tools\comp_pdf.acl":117

thank you