Failed to create environments: "..." - 1 validation error detected: value " at 'tags.3.member.value' failed to satisfy constraint: Member must have length greater than or equal to 1 Go to ...

When I tried to create an enviroment to run cloud 9 service, I ´ve got the next error:

Note: "model-K" is the name of my enviroment.

I wonder how to solve this error, if I should create a stack in CloudFormation to solve it or if there is another way to solve it.