File more-circular-inheritance.fmsl, line 1, char 4: Circularity detected in inheritance chain. File more-circular-inheritance.fmsl, line 2, char 5: Circularity detected in inheritance chain. File more-circular-inheritance.fmsl, line 3, char 5: Circularity detected in inheritance chain. File more-circular-inheritance.fmsl, line 4, char 5: Circularity detected in inheritance chain.