Are you using a or network/cloud installation? Did this happen after an update ? Are you seeing a specific error code (like 10061 or 1045 )? I can help narrow down the specific cause.
This write-up explains likely causes and fixes for the error message "Loading data failed — check the configuration file" when using TecDoc Best (or a TecDoc-based integration). It covers configuration file issues, data-source and permission problems, environment mismatches, and steps to diagnose and resolve the problem. loading data failed check the configuration file tecdoc best
<?php return [ 'service_url' => env('TEC_DOC_SERVICE_URL', "https://webservice.tecalliance.services/pegasus-3-0/services/TecdocToCatDLB.jsonEndpoint"), 'api_key' => env('TECDOC_API_KEY'), 'provider_id' => env('TECDOC_PROVIDER_ID'), 'country' => env('TECDOC_COUNTRY'), 'lang' => env('TECDOC_LANG'), ]; Are you using a or network/cloud installation
When the generic fix fails, the log files never lie. I can help narrow down the specific cause
: Verify your TecAlliance User Profile settings are up to date.
Older versions (TecDoc 2018 or 2019) are often more stable on newer hardware. If you only need general parts lookups, downgrading to 2018 may resolve stability issues. You can often find these builds on dedicated automotive software forums.