Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90d1b74cf51f1d5d709c31b3a883212815298d68f4123b51a7bed503ca766f8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^