Table Element throws error when removed

[velara3]

Table element is throwing an error and not removed when using removeChild on textFlow.

In TableExplorer:

1. Click Add Table
2. Click Remove Table

Expected Result
Table is removed

Actual result
Table is not removed and error is thrown.

ArgumentError: Child to remove not found
at flashx.textLayout.elements::FlowGroupElement/removeChild()[930]