Spawner Upgrades

[NerfHasaki]

Is it normal that the spawner level is periodically reset or decreasing automatically?
I upgrade 3 times my E-blaze spawner at star upgrade and every time I find him at lv 1

 

[zekskitten]

Is it normal that the spawner level is periodically reset or decreasing automatically?
I upgrade 3 times my E-blaze spawner at star upgrade and every time I find him at lv 1

No, spawner level don't get decreased automatically.