MediaWiki API result

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{
    "error": {
        "code": "internal_api_error_Wikimedia\\Assert\\PreconditionException",
        "info": "[ZyQcBlDel_nZiAXaV6CxlAAAAJM] Exception caught: Precondition failed: This Title instance does not represent a proper page, but merely a link target.",
        "errorclass": "Wikimedia\\Assert\\PreconditionException",
        "*": "Wikimedia\\Assert\\PreconditionException at /home/wikiproblem/public_html/vendor/wikimedia/assert/src/Assert.php(49)\nfrom /home/wikiproblem/public_html/vendor/wikimedia/assert/src/Assert.php(49)\n#0 /home/wikiproblem/public_html/includes/Title.php(4209): Wikimedia\\Assert\\Assert::precondition(boolean, string)\n#1 /home/wikiproblem/public_html/includes/Title.php(4190): Title->assertProperPage()\n#2 /home/wikiproblem/public_html/includes/Revision/RevisionStore.php(1828): Title->getId(boolean)\n#3 /home/wikiproblem/public_html/includes/Revision/RevisionStore.php(1733): MediaWiki\\Revision\\RevisionStore->ensureRevisionRowMatchesPage(stdClass, Title)\n#4 /home/wikiproblem/public_html/includes/Revision/RevisionStore.php(1609): MediaWiki\\Revision\\RevisionStore->newRevisionFromRowAndSlots(stdClass, NULL, integer, Title, boolean)\n#5 /home/wikiproblem/public_html/includes/api/ApiFeedContributions.php(237): MediaWiki\\Revision\\RevisionStore->newRevisionFromRow(stdClass, integer, Title)\n#6 /home/wikiproblem/public_html/includes/api/ApiFeedContributions.php(206): ApiFeedContributions->feedItem(stdClass)\n#7 /home/wikiproblem/public_html/includes/api/ApiMain.php(1892): ApiFeedContributions->execute()\n#8 /home/wikiproblem/public_html/includes/api/ApiMain.php(870): ApiMain->executeAction()\n#9 /home/wikiproblem/public_html/includes/api/ApiMain.php(841): ApiMain->executeActionWithErrorHandling()\n#10 /home/wikiproblem/public_html/api.php(90): ApiMain->execute()\n#11 /home/wikiproblem/public_html/api.php(45): wfApiMain()\n#12 {main}"
    }
}