[Question] Flet build apk error

[ssseee66]

Question

My version of Flet is 0.24.1. It was always possible to package apk before, and this problem about wakelock_plus package began to appear about yesterday.

Code sample

No response

Error message

1: Task failed with an exception.
[        ] -----------
[        ] * Where:
[        ] Build file '/home/feiyuan/.pub-cache/hosted/pub.dev/wakelock_plus-1.4.0/android/build.gradle' line: 28
[        ] * What went wrong:
[        ] A problem occurred evaluating project ':wakelock_plus'.
[        ] > Could not get unknown property 'flutter' for extension 'android' of type com.android.build.gradle.LibraryExtension.
[        ] * Try:
[        ] > Run with --debug option to get more log output.
[        ] > Run with --scan to get full insights.
[        ] > Get more help at https://help.gradle.org.

3: Task failed with an exception.
[   +1 ms] -----------
[   +1 ms] * What went wrong:
[        ] Failed to query the value of property 'buildFlowServiceProperty'.
[   +1 ms] > Could not isolate value org.jetbrains.kotlin.gradle.plugin.statistics.BuildFlowService$Parameters_Decorated@6688f3cf of type
BuildFlowService.Parameters
[   +1 ms]    > A problem occurred configuring project ':wakelock_plus'.
[        ]       > Failed to notify project evaluation listener.
[        ]          > Cannot invoke method substring() on null object
[        ]          > compileSdkVersion is not specified. Please add it to build.gradle
[        ] * Try:
[        ] > Run with --debug option to get more log output.
[        ] > Run with --scan to get full insights.
[        ] > Get more help at https://help.gradle.org.

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• I have searched for answers to my question both in the issues and in previous discussions.