I now get error with terminal.
composer update –lock
The “wikimedia/composer-merge-plugin” plugin was skipped because it requires a Plugin API version (“1.0”) that does not match your Composer installation (“2.0.0”). You may need to run composer update with the “–no-plugins” option.
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires wikimedia/composer-merge-plugin == 1.4.1.0 -> satisfiable by wikimedia/composer-merge-plugin[v1.4.1].
- wikimedia/composer-merge-plugin v1.4.1 requires composer-plugin-api 1.0 -> found composer-plugin-api[2.0.0] but it does not match the constraint.
You are using Composer 2, which some of your plugins seem to be incompatible with. Make sure you update your plugins or report a plugin-issue to ask them to support Composer 2.
The hosting provider helpdesk helped as firs error that composer was out of date… The Helpdesk tells me the following "..The errors you see now are related to your plugins which doesn’t look to be ready for composer 2.0.
What we’ve done from our end, was to update composer from 1.8.6 to 2.0, now you have to check with your developer and update the plugins you are using to the latest stable version in order to work with composer 2.0…"
Any suggestions??