SliverGeometry is not valid: The "scrollExtent" is negative.

[kamyar75]

The following assertion was thrown during performLayout(): SliverGeometry is not valid: The "scrollExtent" is negative.

The relevant error-causing widget was: GridView GridView:file:///C:/Users/kamyar/AndroidStudioProjects/myapp_user/lib/ui/report/report_manage_gridview.dart:88:21 When the exception was thrown, this was the stack: C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/internal/js_dev_runtime/private/ddc_runtime/errors.dart 251:49 throw packages/flutter/src/rendering/sliver.dart 711:9 verify packages/flutter/src/rendering/sliver.dart 720:7 packages/flutter/src/rendering/sliver.dart 749:14 debugAssertIsValid packages/flutter/src/rendering/viewport.dart 526:33 layoutChildSequence packages/flutter/src/rendering/viewport.dart 1580:12 [_attemptLayout] packages/flutter/src/rendering/viewport.dart 1489:20 performLayout packages/flutter/src/rendering/object.dart 1858:7