IE11 browser runs CESIUM 1.61

IE11 Browser reports an error when running cesium 1.61, and the error is as follows:
An error occurred while rendering. Rendering has stopped.
Error: The function is incorrect。

Error: The function is incorrect。

at g (
at y.prototype.scheduleTask (
at g.prototype.createMesh (
at L (
at M (
at P.processStateMachine (
at J.prototype.loadTile (
at z (
at B (

Cesium 1.61 supports why IE11 still reports this error?

Sounds like there is a problem executing a worker task.

Do you have a code example which replicates the issue?