Error: 'iops' must not be set when 'type' is 'gp2' when running terraform plan

I import ted my existing AWS infrastructure but when I run terraform plan I get this error :
Error: ‘iops’ must not be set when ‘type’ is ‘gp2’
I don’t want to make any changes to the existing infrastructure. I didn’t expect this error because when I try to create a gp2 volume manually I set the iops and it doesn’t give any issues

image

see the document here.

I would just remove the iops argment , do a terraform plan and see if it will change anything.