Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fd35aa5448d43d5debed280b9dde8abd13bdcfaec5e7d51eb1b3a866d368d792:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^