Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2213e52141d1c16cf7b0883c26f583f640c9c60f660a5e1f53ed030ea5a237fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^