Ricordea splitting or diseased?

[Keywest99]

HeIp! Is my Ricordea mushroom splitting or diseased? Attached is a picture.

 

[littlefoxx]

HeIp! Is my Ricordea mushroom splitting or diseased? Attached is a picture.

My blue mushroom does that from time to time and usually comes back. He always does it when he is unhappy so I usually move him then he is good