Migration magento 1 to magento 2 error

I use the tool of Magento for migration data from Magento 1 to Magento 2. After run command lines: php -dmemory_limit=3G bin/magento migrate:settings vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.4/config.xml -r php -dmemory_limit=3G bin/magento migrate:settings vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.4/config.xml php -dmemory_limit=3G bin/magento migrate:data -a vendor/magento/data-migration-tool/etc/opensource-to-opensource/1.9.2.4/config.xml Then I try login load Admin page and it show a bug: Expecting a string, got NULL I migarion…

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Flutter – Execution failed for task ‘:unique_identifier:verifyReleaseResources’

I get this when I do ‘flutter run –release’ FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ‘:unique_identifier:verifyReleaseResources’. > A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade > Android resource linking failed C:\Users\USER\.gradle\caches\transforms-2\files-2.1\df6cf23cc51da578d8b158de17d0c9cb\core-1.0.0\res\values\values.xml:57:5-88:25: AAPT: error: resource android:attr/fontVariationSettings not found. C:\Users\USER\.gradle\caches\transforms-2\files-2.1\df6cf23cc51da578d8b158de17d0c9cb\core-1.0.0\res\values\values.xml:57:5-88:25: AAPT: error: resource android:attr/ttcIndex not found. * Try: Run with –stacktrace…

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How fill array through nested Firebase data loop Swift

I want to fill an array by fetching values from one firebase node and use those values to fetch information from a different firebase node. How do I do that? This is what my firebase database looks like: { “MainTree” : { “subTree1” : { “JiRtkpIFLVFNgmNBpMj” : { “PiRterKFLVFNgmFFFtu” : “PiRterKFLVFNgmFFFtu” “TfRterKFLVFNgmFGFre” : “TfRterKFLVFNgmFGFre”, “X4RterKFLVFNgmaDFca”…

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