Solution : https://service.sap.com/sap/support/notes/687619 (SAP Service marketplace login required)
Key words :
system issues error rso812, abap type process variant, abap-type process variants, older support package versions, 1c import support package 12, 0b import support package 18, 1c patch < z111>12, 0b support package 18, process chains reason, 0b patch < z111>18
Related Notes :
| 1033901 | Correction: Process chains create a new log |
| 761043 | Process variants of the ABAP type cannot be saved |
| 715737 | Correction: Program already on other request |
| 682280 | |
| 644814 | Correction: No message with transport errors |