SAP Message C0228 - - Charact. & & cannot be used after PPPI_VARIABLE

Diagnosis
Characteristic PPPI_VARIABLE is used to define a variable that refersto the value of a message characteristic. You must assign the messagecharacteristic to the process instruction immediately afterwards.
However in the process instruction, characteristic PPPI_VARIABLE isfollowed by characteristic &V1& &V2&, which is no messagecharacteristic.

Procedure
RESET N1
Check whether the message characteristic to which the variable is torefer is assigned to the process instruction.
If the message characteristic is included in the process instruction,move characteristic PPPI_VARIABLE to the position directly before themessage characteristic.
To do so, change the sort numbers of the characteristics.
If the message characteristic is not included in the processinstruction, add it immediately after characteristic PPPI_VARIABLE.
INCLUDE NA_INST_MESSCHAR OBJECT DOKU ID TX LANGUAGE EN