Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ebc91cdbbd540a62a37abbd096db0ecc0a0b04eaa497cdf6cff2b7eae6c58565:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^