Backup failed - storage full

[Bfbittar1]

Cant backup my device. It has enought internal empty space. What Van be happen? 

Thanks 

[Uliwooly]

@BrenoFortes 

How much free internal storage its available? 

[Bfbittar1]

About 30 gb

[Uliwooly]

@BrenoFortes 

Seems unlikely, go to 

Settings > storage > tap on the graph > wait > wait > check the internal storage