Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 574

Operation error
Error code Description
(SD0)
2820H The device specified in an argument from (s1) to (s5) cannot be secured for the data size.
2840H The file specified by (file name) does not exist.
2841H The file specified by (file name) cannot be executed.
2842H The type of the program with the file name specified by (file name) is not supported.
3360H More than 16 ECALL(P) instructions are nested. (The 17th instruction is executed.)
3380H The subroutine program corresponding to the pointer specified by (P) does not exist.
3381H After execution of the ECALL(P) instruction, the END, FEND, GOEND, or STOP instruction is executed before the RET instruction.
3382H The RET instruction is executed before the ECALL(P) instruction.
7 APPLICATION INSTRUCTIONS
572
7.4 Structure Creation Instructions