The sound immediately changes to the REMOVED status

The sources of this issue may be:

The required resources for playback cannot be allocated

Playback is cancelled when the required resources cannot be allocated.
Generally, in this case, an error or a warning message is displayed.
Example: No voices match the playback conditions.
If there are not enough voices available, sound playback will be cancelled (based on the priority settings).
-> Playback Cancellation Due to Priority Settings

Playback is cancelled due to the Cue configuration

-> Playback Cancellation Due to Cue Settings

The stop function is called immediately after the playback begins

-> Confirming that the Stop Function was Called

A seek value longer than the data length has been set to start playback.

Check whether the criAtomExPlayer_SetStartTime function is being used to set an appropriate seek value.