APEX

Hello , I have Apex 18.1 and using Incident Tracking application .

I tried to do a validate action on one of the tickets , I clicked on the 'Validate' button, but error message appeared ,

Insufficient privileges, user is not a Contributor

Access denied by Page security check

Technical Info (only visible for developers)

• is_internal_error: true
• apex_error_code: APEX.AUTHORIZATION.ACCESS_DENIED
• component.type: APEX_APPLICATION_AUTHORIZATION
• component.id: 3181249980231334014
• component.name: CONTRIBUTION RIGHTS
• error_backtrace:

  ----- PL/SQL Call Stack ----- object      line  object handle    number  name 70001002bef63f0       

• 968  package body APEX_180100.WWV_FLOW_ERROR 70001002bef63f0      

• 1036  package body APEX_180100.WWV_FLOW_ERROR 70001002bef63f0      

• 1428  package body APEX_180100.WWV_FLOW_ERROR 70001003414cdb8       

• 882  package body APEX_180100.WWV_FLOW_AUTHORIZATION 70001003c846ef8      

• 4492  package body APEX_180100.WWV_FLOW 70001002e004248       

• 173  procedure APEX_180100.F 70001000a3aafd0        

• 35  anonymous block

Anyone knows how to resolve this ?  Is it possible to perform any validation/changes inside this packaged app Incident Tracking ?