Solution : https://service.sap.com/sap/support/notes/539800 (SAP Service marketplace login required)
Key words :
dp/snp planning area, planning area datasources, transaction /sapapo/sdp_extr, field /bi0/9amatnr, source code corrections, source system, subsequent transport, errors occur, -import method, transfer rules
Related Notes :
514524 | Transporting DataSources for DP/SNP planning areas |