In Strategy Intelligence Server 9.x, the datatype of SQLSTATEMENT column in IS_REP_SQL_STATS table is changed to varchar(4000) for statistics repository from the datatype text in Strategy Intelligence Server 8.1.x. But Sybase ASE has a limitation of 32 KB as default for text datatype.
To insert large SQL statements in IS_REP_SQL_STATS table for statistics repository residing on a Sybase ASE, the following Sybase ASE session level option can be used:
Sample Code/Error
set textsize xxxxxxxx
To increase text size that more than the default size (32KB), "set textsize" command should be added in VLDB properties of Statistics Database Instance > Pre/Post Statement > Insert Pre Statement 1, as shown below:

Refer to the following technical note for more details of the similar topic:
KB13395: Large SQL statements are truncated when logged into the SQLSTATEMENT column in IS_REP_SQL_STATS table of a Statistics repository residing on an Oracle database in MicroStrategy Intelligence Server