UC_OBJECTS_NOT_CONVERTIBLE is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.
Short Dump Classification: A - ABAP Programming Error
You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.
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In statement <runtime parameter>, use only the convertible operands <runtime parameter> and <runtime parameter>.
Please see program correction for more details about the possible cause of this runtime error and how it could be avoided.
Please see search hints for more details about the possible cause of this runtime error and how it could be avoided.
Please see send to sap for more details about the possible cause of this runtime error and how it could be avoided.
Operand <runtime parameter> has type <runtime parameter> and length <runtime parameter>, while operand <runtime parameter> has type <runtime parameter>
and length <runtime parameter>.
Data objects in Unicode programs cannot be converted.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.
Statement <runtime parameter> requires operands <runtime parameter> and <runtime parameter> to be convertible. Since
this statement is in a Unicode program, the special conversion rules
for Unicode programs apply. In the present case, these rules have been
violated.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.