3204587 - Planning Sequence failing due to HANA DB source and target length mismatch

Executing a planning sequence in Analsys for Office the following error message appears:

PE error 2.048: column store error: alterPlanningSession error: [38001] Session "99999999999999_9999999" not valid.
Last error: Condition (RSR_PE-005. XXX):

In system log (sm21) the following error messages are found

Database error 2048 at EXE
> column store error: alterPlanningSession error: [38001]
> Condition 'theTargetType.getLength() ==
> theSourceType.getLength()' failed. different length in
> session column 'K____9999' and data source
> "SAPHANADB"."0BW:BIA:BI0_0Q00000999__CS" column 'K____9999'.
> target length: 3, source length: 2
X MESSAGE BRAIN 299: CL_RSPLS_SESSION_STORE_MANAGER COPY_VIEW-04-

BW 7.5x

BW/4Hana

KBA , BW-PLA-IP , Integrated Planning , EPM-BPC-BW4-PLA , BPC/4 - Planning Enginee , Problem