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Oct 08, 2018 at 03:38 AM

SAP DBTech JDBC: [591]: internal error: no more resultset for table out parameter ?

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Hi,

I am running SAP PAL Random decision Tree algorithm. I receive the following error whenever I execute the training procedure.

Could not execute 'SYS_AFL.PAL_RANDOM_DECISION_TREES (#PAL_GBDT_DATA_TBL, #PAL_PARAMETER_TBL, #PAL_RDT_MODEL_TBL, ?, ?, ?)...' in 235 ms 934 µs . 
SAP DBTech JDBC: [591]: internal error: no more resultset for table out parameter 

The query that results into the error is -

CALL _SYS_AFL.PAL_RANDOM_DECISION_TREES (#PAL_GBDT_DATA_TBL, #PAL_PARAMETER_TBL,
#PAL_RDT_MODEL_TBL, ?, ?, ?) WITH OVERVIEW ;

However, when I do not provide the output table in the query as follows, I do not receive any error and the training procedure works fine as well :

SYS_AFL.PAL_RANDOM_DECISION_TREES (#PAL_GBDT_DATA_TBL, #PAL_PARAMETER_TBL, ?, ?, ?, ?);