Solution : https://service.sap.com/sap/support/notes/413750 (SAP Service marketplace login required)
Key words :
log bzw=> error -21on comp, entry error -21during compression/decompression, abap short dump dbif_rsql_invalid_request, additional key words clusters, logical cluster table terminates, related developer trace, csinitdeco [dbrclu2 <xxxx>], affected cluster table, determines cluster records, cluster table
Related Notes :
89384 | Checking cluster tables with R3check |
19466 | Downloading SAP kernel patches |