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C4 Webservice Message Monitor: error message "No access possible via a 'NULL' data reference"

t_ern
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Dear SAP Community,

due to the fact that some BP’s in R/3 refer in the partner functions to one another C4 complains when they are initially loaded that the referenced one is not created and can’t succesfully create the BP. Therefore one BP had been created in C4 manually and in the „ID Mapping for Integration“ under „General Tasks“ of the administrator the external R/3 ID has been maintained. When this account is loaded from R/3 again the error message „No access possible via a 'NULL' data reference.“ occurs. How can this problem been solved.

Kind regards

Tanja

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