I am executing an inbound IDOc by using WE19 tcode. When I execute it is throwing me an error message, saying that "IDoc inbound: Container definition for task WS20001057 has errors." The help message for the error is as follows. Diagnosis The container definition for task WS20001057, which should process inbound IDoc 0000000000696277, contains errors. Error code: '1' What the error code means: (1) : The container definition does not contain the parameter 'IDOC_PACKET'. (2) : The container element is not defined as an object type. (3) : No object type could be determined for the container element 'IDOC_PACKET'. Procedure Make the necessary corrections to the task. Please help me in solving the problem.