Feb 06, 2017 at 06:29 PM

Personas 3.0 - Unable to change field label with script

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I'm trying to change the name of a field label with the following code:

session.findById("wnd[0]/usr/subSCREEN:SAPLWB2A:*/subGENERAL_SUB:SAPLWB2A:0104/txtKOMWBHD-SUPERFIELD_NAME").text = 'Supplier';

but I get the following error:

A running Personas script could have caused this error. Please check your active scripts.

Received "failed to set value: readonly" on batch step: {"post":"value/wnd[0]/usr/subSCREEN:SAPLWB2A:*/subGENERAL_SUB:SAPLWB2A:0104/txtKOMWBHD-SUPERFIELD_NAME","content":"Supplier","__added_by_personas_scripting__":"X"}

The complete batch was:
[{"post":"vkey/0/ses[0]","__added_by_personas_scripting__":"X"},{"post":"value/wnd[0]/usr/subSCREEN:SAPLWB2A:*/subGENERAL_SUB:SAPLWB2A:0104/txtKOMWBHD-SUPERFIELD_NAME","content":"Supplier","__added_by_personas_scripting__":"X"},{"get":"state/ur/","__added_by_personas_scripting__":"X"}]