8.9 Update
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Troubleshooting
- Resolving a Down for Maintenance Error
- Problems with one or more features following update
- Apply update dry-run permission issues
- WHMCS 8.9 Not Appearing After Checking for Updates
- Troubleshooting a Blank Page/Oops Error Message
- The file /path/filename.php encoded as type [1/72] cannot be decoded by this version of the ionCube Loader.
- General error: 3780 Referencing column 'invoice_id' and referenced column 'id' in foreign key constraint 'disccent_EarlyPaymentRecurring_ibfk_3' are incompatible.
- Duo Admin Invalid Return URI
- Trait RequestSendReadyAllPropertiesTrait not found