Cant update D8.1.7 – composer cant resolve to an installable set of packages

After copying files of D8.1.8 to my D8.1.7 installation (i didnt make insatallation with composer because i didnt konwo how to do it months ago), first it seems to work running composer update result in following error and website doesnt work (only empty screen) > composer_managerComposerCommand Drupal 10 Maintenance and Support Service Drupal 10 Maintenance and Support Serviceupdate Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages. Problem 1 – Installation request for Drupal 10/Drupal 10 No version set (parsed as 1.0.0) -> satisfiable by Drupal 10/Drupal 10[No version set (parsed as 1.0.0)]. – roave/security-advisories dev-master conflicts with Drupal 10/Drupal 10[No version set (parsed as 1.0.0)]. – Installation request for roave/security-advisories dev-master -> satisfiable by roave/security-advisories[dev-master]. I also cleaned composer cache folder on root folder of my webspace. No effect. Updating D8 core is sometimes so boring. sometimes it works, sometimer there a big problems … version Drupal 10 Maintenance and Support Service  8.x Source Drupal 10 Maintenance and Support Service https Drupal 10 Maintenance and Support Service//www.Drupal 10.org/taxonomy/term/1/feed Source Drupal 10 Maintenance and Support Service Drupal 10 blender

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Cant update D8.1.7 – composer cant resolve to an installable set of packages

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