Android Studio AGBPI Error Yardım

AGPBI: {"kind":"error","text":"error: resource android:attr/fontVariationSettings not found.","sources":[{"file":"C:\Users\user\.gradle\caches\transforms-1\files-1.1\appcompat-v7-27.1.1.aar\40e47fcabdc63faa10097c446b79b0ec\res\values\values.xml","position":{"startLine":250,"startColumn":4,"startOffset":27058,"endColumn":68,"endOffset":27122}}],"original":"","tool":"AAPT"}AGPBI: {"kind":"error","text":"error: resource android:attr/ttcIndex not found.","sources":[{"file":"C:\Users\user\.gradle\caches\transforms-1\files-1.1\appcompat-v7-27.1.1.aar\40e47fcabdc63faa10097c446b79b0ec\res\values\values.xml","position":{"startLine":250,"startColumn":4,"startOffset":27058,"endColumn":68,"endOffset":27122}}],"original":"","tool":"AAPT"}:app:processDebugResourceserror: failed linking references.:app:processDebugResources FAILEDFAILURE: Build failed with an exception.* What went wrong:Execution failed for task ':app:processDebugResources'.> Failed to process resources, see aapt output above for details.* Try:Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.* Get more help at https://help.gradle.orgBUILD FAILED in 2s