Undefined material property 'E' required by Linear Elastic Material 1

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This should be really easy but its driving me nuts. This is the error I get when I hit compute:

Undefined material property 'E' required by Linear Elastic Material 1 - Plot: surf1 (Surface)

I'm sure I have E set as a parameter and used in my material with the right variable and value. I've given this value multiple different names or just typed in the number and still it cannot seem to be used by comsol. Other variables are not giving me any troubles.

I've also tried to set the E at Linear Elastic Material 1 to user defined instead of material and gave the right value but to no avail.

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