Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8ce04d6c7d6889ade9781e354d6942d6ae4bcffbd562c84d81c5d7743daba94:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^