Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7d0f0932310f56a6df5cd307755e4c31e6b9f0e8d13a0cc939c31022d99ef27f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^