Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 11b97cd15425dfe253dfe8603bbb2dcb8335e28fe66513290608711b5c81ebc1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^