One possible reason is the user is not permitted to use the Connected App for WeChat CRM.
- To allow access to this app for a particular group of users:
- Leverage Manage Profiles and the Profiles related list to authorize access to the appropriate Salesforce profiles (and associated users).
- Alternatively, Leverage Permission Sets and the Permission Sets related list to authorize access at a more granular level.
- To allow access to this App for all users:
- Under the OAuth policies section, set Permitted Users to All users may self-authorize.
SFDC Help Documentation: 'Failed: Not approved for access' error
Send us your feedback: We are always looking for feedback to help improve our Knowledge Base! Please let us know if this article is helpful or provide feedback on how we can improve your experience by clicking here.