3237737 - DB6CONV reports sql error SQL0420N

Symptom

Following successful upgrade of DB6CONV from v6.28 to the latest v6.59, the following sql error (and dump) is reported when starting DB6CONV using tcode SE38:
"SQL0420N Invalid character found in a character string argument of the function "INTEGER". SQLSTATE=22018"

Category Installation Errors
Runtime Errors DBIF_DSQL2_SQL_ERROR
Except. CX_SY_NATIVE_SQL_ERROR
Date and Time 09.07.2022 23:50:56
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Short text
SQL error "-420" occurred when executing Native SQL.
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Source Code Extract
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Line |SourceCde
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4866|*** LOCAL EXEC SQL ***
4867|* 6.51: was (TABNAME,6,6) before
4868| EXEC SQL .
>>>>>| SELECT CAST(MAX(SUBSTR(TABNAME,7,6)) AS INT)
4870| INTO :P_COUNT2
4871| FROM DB6CONVT
4872| WHERE TABNAME LIKE '<EXT>_%'
4873| ENDEXEC .

Environment

SAP Netweaver AS ABAB any release
IBM DB2 LUW (DB6) any release
DB6CONV current releases

Product

SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

DB6CONV SE38 -420 SQL0420N DB6CONVT DB6CONVL , KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem

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