if link css errors have version link css magento 2

if not exsting dev/static/sign in path column

MySQL query:

insert core_config_data (config_id, scope, scope_id, path, value) values (null, 'default', 0, 'dev/static/sign', 0);
or
open phpmyadmin search "dev/static/sign" in core_config_data change value to 0
and then : bin/magento cache:clean config