Hello,
I was trying to compute an Amplitude which contains pseudoscalar particles. I tried to use $LoadPhi=true and PseudoScalar class. In the Model I gave "Automatic". I am getting an error message
"Cannot open "Automatic.mod"
Here is the line that I was trying to execute
diags = InsertFields[
CreateTopologies[0,
2 -> 2], {F[2, {1}], -F[2, {1}]} -> {PseudoScalar[0],
PseudoScalar[0]}, InsertionLevel -> {Classes},
Model -> "Automatic"];
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