Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e919471b476cfb6002be1736e1ab740dd1ed8ace67d2dfa2e4d8128e9069a8cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^