Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9a1c645441f4023eb8f43e9492caf135bce98be453fd8a2a6276f01f3f39fe4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^