Voluntary Supplemental Employee plan interim coverage

Summary:

We have a requirement to Suspend the Employee Voluntary plan when the coverage is entered more than $250K. This will trigger EOI as well as suspend the plan. Till the EOI is submitted, the Interim coverage should be $250K. Need help in setting up the interim coverage to $250K?

We did the setup of Interim rule to the below:

But when we submit the enrollments for any employee we get the following error:

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