3747446 - 0FI_GL_10 extraction issues after S/4HANA upgrade

DataSource 0FI_GL_10 (or 0FI_GL_12, generated 3FI_GL_xx_TT / 3FI_SL_xx_TT, or other GUSL-based SL extractors) extraction fails with runtime error SAPSQL_PARSE_ERROR (CX_SY_DYNAMIC_OSQL_SYNTAX) in program GP_GLX_FAGLFLEXT (or GP_GLX_HDB_FAGLFLEXT / GP_GLX_* generated programs).

Common parser messages:

• "The parser produced the error: The elements in the "GROUP BY" list must be separated using commas."
• "PRCTR is not valid here" (or similar field name errors).

The issue appears after an S/4HANA upgrade or support package application.

• SAP S/4HANA 104 up to SP14
  SAP S/4HANA 105 up to SP12
  SAP S/4HANA 106 up to SP10
  SAP S/4HANA 107 up to SP08
  SAP S/4HANA 108 up to SP06
  SAP S/4HANA 109 up to SP02

SAPSQL_PARSE_ERROR, CX_SY_DYNAMIC_OSQL_SYNTAX, GP_GLX_FAGLFLEXT, GP_GLX_HDB_FAGLFLEXT, 0FI_GL_10, 0FI_GL_12, 3FI_GL_xx_TT, PRCTR, GROUP BY, GUSL_SELECT, GUSL_SELECT_HDB, RSSGPCLA, RG_GUSL_GENERATE, FAGLFLEXT, ODP, S/4HANA upgrade , KBA , BW-BCT-FI-GL , BW only - General Ledger , FI-GL-GL , Basic Functions , Problem