Solution : https://service.sap.com/sap/support/notes/553528 (SAP Service marketplace login required)
Key words : 
c0 820 internal error, program error, memory problem, stack overflow, lcobofaz reason, solution implement, program correction, bapi_alm_order_maintain, stack_state_no_roll_memory, storage_parameters_wrong_set
Related Notes : 
       
| 736204 | Notes for downgrade kit ALMBAPI I | 
| 708508 | Downgrade BAPI_ALM_ORDER_MAINTAIN -> errors |