The value of input parameter PYP_PROC_INST for &1 must not be maintained

What causes this issue?

You have defined the parameter value for the input parameter type
PYP_PROC_INST for check type &v1& in the Customizing activity
<DS:SIMG.PYD_FRW_3>Define Data Source Instances</> (view cluster
VC_PYD_INST) <LS>-> Instance Input Parameter</> view.
The value of this input parameter type PYP_PROC_INST is generated during
run time. Therefore, you must not manually define the value for this
parameter type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make sure that the check type has only the following input parameters
assigned to it:
Parameter Type,,Fixed,,Mandatory,,No Key
PYP_PROC,,Yes,,Yes,,--
PYP_PROC_INST,,--,,Yes,,--
By using the <LS>Generate Check Instances</> (PYC_GENERATE_CONTEXT)
report, you don't need to, and must not, define the parameter value for
these input parameters.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.