getgrav/grav · error · RuntimeException

2

2

Error message

Package <cyan>$slug</cyan> is required in an older version by package <cyan>$dependent_package</cyan>. This package needs a newer version, and because of this it cannot be installed. The <cyan>$dependent_package</cyan> package must be updated to use a newer release of <cyan>$slug</cyan>.

What it means

Error "Package <cyan>$slug</cyan> is required in an older version by package <cyan>$dependent_package</cyan>. This package needs a newer version, and because of this it cannot be installed. The <cyan>$dependent_package</cyan> package must be updated to use a newer release of <cyan>$slug</cyan>." thrown in getgrav/grav.

Source

Thrown at system/src/Grav/Common/GPM/GPM.php:1002

     * @return bool
     * @throws RuntimeException
     */
    public function checkNoOtherPackageNeedsThisDependencyInALowerVersion($slug, $version_with_operator, $ignore_packages_list)
    {
        // check if any of the currently installed package need this in a lower version than the one we need. In case, abort and tell which package
        $dependent_packages = $this->getPackagesThatDependOnPackage($slug);
        $version = $this->calculateVersionNumberFromDependencyVersion($version_with_operator);

        if (count($dependent_packages)) {
            foreach ($dependent_packages as $dependent_package) {
                $other_dependency_version_with_operator = $this->getVersionOfDependencyRequiredByPackage($dependent_package, $slug);
                $other_dependency_version = $this->calculateVersionNumberFromDependencyVersion($other_dependency_version_with_operator);

                // check version is compatible with the one needed by the current package
                if ($this->versionFormatIsNextSignificantRelease($other_dependency_version_with_operator)) {
                    $compatible = $this->checkNextSignificantReleasesAreCompatible($version, $other_dependency_version);
                    if (!$compatible && !in_array($dependent_package, $ignore_packages_list, true)) {
                        throw new RuntimeException(
                            "Package <cyan>$slug</cyan> is required in an older version by package <cyan>$dependent_package</cyan>. This package needs a newer version, and because of this it cannot be installed. The <cyan>$dependent_package</cyan> package must be updated to use a newer release of <cyan>$slug</cyan>.",
                            2
                        );
                    }
                }
            }
        }

        return true;
    }

    /**
     * Check the passed packages list can be updated
     *
     * @param array $packages_names_list
     * @return void
     * @throws Exception
     */

View on GitHub (pinned to 6040efed04)

When it happens

Trigger: Thrown at system/src/Grav/Common/GPM/GPM.php:1002 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of getgrav/grav@6040efed04 (2026-08-17). Data as JSON: /api/errors/c331dfb8cb53b9f0. Report an issue: GitHub.