Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a5764d18302fd903d9f5f3ba6eb2d4fb0f619c682b94acdf377a5aa58b02001:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^