SAP Message WO807 - Relational operator & is not permitted

Diagnosis
You have passed an internal table of the structure RSPARAMS andspecified a relational operator that is not permitted in the fieldOPTION.

System Response
The method was terminated with an exception.

Procedure
Check the value in the field OPTION of the internal table (11th and12th places in the character string). Permitted values forrelational operators are:
EQ, NE, GT, LT, GE, LE, BT, CP, NB, NP