Basis Errors and Solutions

Symptom
You are running the preparations for an MDMP -> Unicode conversion
with transaction SPUMG (release SAP_BASIS 620 or newer) or with
transaction SPUM4 (SAP_BASIS 46C).
In the so called “Reprocess Scan” you get short dumps containing messages like:
a) SYSTEM_IMODE_TOO_LARGE or SYSTEM_NO_ROLL or other messages showing a shortage of memory
b) EXPORT_TOO_MUCH_DATA
c) TSV_TNEW_OCCURS_NO_ROLL_MEMORY
Other terms
SPUMG, SPUM4, Unicode conversion, Reprocess Scan, SPUMG:$WA, [...]

Symptom
You execute transaction SUMG and you want to display the “Reprocess Log/IMIG Log” for a selected tableThe Reprocess Log is not shown even though it was created by SPUMG and exist on databaseOther terms
Unicode conversion, SUMG, Reprocess Log, SUMG:$CORR, SUMG:$BUGFIX, SUMG:$WA
Reason and Prerequisites
Program error. The selection in function module UMG_PMIG_READ_LOG is not done correctly [...]