Expected a value of type 'SkDeletable', but got one of type 'Null'

[lkrjangid1]

======== Exception caught by rendering library =====================================================
The following TypeErrorImpl was thrown during paint():
Expected a value of type 'SkDeletable', but got one of type 'Null'

The relevant error-causing widget was: 
  NeumorphicButton file:///C:/Users/lkrja/AndroidStudioProjects/intern%20projects/timemarksdashboard/lib/Presentation/Widgets/Buttons/NeoButtonCustom.dart:14:12
When the exception was thrown, this was the stack: 
http://localhost:56203/C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 236:49  throw_
http://localhost:56203/C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 84:3    castError
http://localhost:56203/C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/types.dart 266:34   as
http://localhost:56203/C:/b/s/w/ir/cache/builder/src/out/host_debug/flutter_web_sdk/lib/_engine/engine/canvaskit/skia_object_cache.dart 146:55    new
http://localhost:56203/C:/b/s/w/ir/cache/builder/src/out/host_debug/flutter_web_sdk/lib/_engine/engine/canvaskit/mask_filter.dart 10:3            blur
...
The following RenderObject was being processed when the exception was fired: RenderDecoratedBox#f9e07 relayoutBoundary=up13
...  parentData: offset=Offset(0.0, 0.0) (can use size)
...  constraints: BoxConstraints(0.0<=w<=1176.1, 0.0<=h<=Infinity)
...  size: Size(266.0, 50.0)
...  decoration: NeumorphicDecoration
...  configuration: ImageConfiguration(bundle: PlatformAssetBundle#21d4d(), devicePixelRatio: 1.3, locale: en_US, textDirection: TextDirection.ltr, platform: windows)
RenderObject: RenderDecoratedBox#f9e07 relayoutBoundary=up13
  parentData: offset=Offset(0.0, 0.0) (can use size)
  constraints: BoxConstraints(0.0<=w<=1176.1, 0.0<=h<=Infinity)
  size: Size(266.0, 50.0)
  decoration: NeumorphicDecoration
  configuration: ImageConfiguration(bundle: PlatformAssetBundle#21d4d(), devicePixelRatio: 1.3, locale: en_US, textDirection: TextDirection.ltr, platform: windows)
...  child: RenderDecoratedBox#1b99c relayoutBoundary=up14
...    parentData: <none> (can use size)
...    constraints: BoxConstraints(0.0<=w<=1176.1, 0.0<=h<=Infinity)
...    size: Size(266.0, 50.0)
...    decoration: NeumorphicDecoration
...    configuration: ImageConfiguration(bundle: PlatformAssetBundle#21d4d(), devicePixelRatio: 1.3, locale: en_US, textDirection: TextDirection.ltr, platform: windows)
...    child: RenderPadding#13e02 relayoutBoundary=up15
...      parentData: <none> (can use size)
...      constraints: BoxConstraints(0.0<=w<=1176.1, 0.0<=h<=Infinity)
...      size: Size(266.0, 50.0)
...      padding: EdgeInsets.zero
...      textDirection: ltr
...      child: RenderClipPath#46d52 relayoutBoundary=up16
...        parentData: offset=Offset(0.0, 0.0) (can use size)
...        constraints: BoxConstraints(0.0<=w<=1176.1, 0.0<=h<=Infinity)
...        size: Size(266.0, 50.0)
...        child: RenderPadding#7b496 relayoutBoundary=up17
...          parentData: <none> (can use size)
...          constraints: BoxConstraints(0.0<=w<=1176.1, 0.0<=h<=Infinity)
...          size: Size(266.0, 50.0)
...          padding: EdgeInsets(18.0, 10.0, 18.0, 10.0)
...          textDirection: ltr
====================================================================================================

[romain-bajoit-iot-d]

#213