Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31055bc27b98cd2f0cf45c0730ab90210b521b92327c50cdd72b8cc2060899ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^