SAP Message 28070 - Invalid key for object type &1

Diagnosis
The syntax check found an error in an entry for an object. An incorrectformal parameter was entered in a key.

System Response
The cursor shows where the error occurs in your entry.

Procedure
An object is accessed by entering an object type, class type, and keyexpression consisting of formal parameters and parameter values, forexample:
(MATERIAL)(300)(NR='M4711')
Here, 'NR' is a formal parameter defined for the object type and'M4711' is the corresponding key (parameter value). More than one(partial) key can be allowed for some object types, such as documents:
(DOCUMENT)(017)(TYPE=DRW, VERSION=00, PART=000, NR='bmw-ca31')
System-specific settings for the object type concerned define whichformal parameters are possible and which are required. Check the formalparameters you entered and correct the key as appropriate.