SAP Function Module search on ESR
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ESREP_WRITE_DOCUMENT - CHDO ESREP => Gen. by RSSCD000
ESR_CHECK_DIGIT_CREATE - Determination of Check Digits for ISR Procedure
ESR_NUMBER_CHECK - Check of PBC/POR number
Return Table index
ESREP_WRITE_DOCUMENT - CHDO ESREP => Gen. by RSSCD000
ESR_CHECK_DIGIT_CREATE - Determination of Check Digits for ISR Procedure
ESR_NUMBER_CHECK - Check of PBC/POR number
Return Table index