Label Service in Google Ads API

I'm using xml schema to createLabels. but, getting error HTTP Status Code: 500 To createLabel, do we need to enable permission, if yes, could you please enable it from your end. Networkcode- 133009657 ApplicationName- Nine Digital (Production) http://schemas.xmlsoap.org/soap/envelope/;

LabelService | createLabels

I'm using xml schema to createLabels. but, getting error HTTP Status Code: 500 To createLabel, do we need to enable permission, if yes, could you please enable it from your end. Networkcode- 133009657 ApplicationName- Nine Digital (Production) http://schemas.xmlsoap.org/soap/envelope/;