Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ffb0ae3283f4fba3a1850255ebc8134c2d8c1d7e65304c9020499ad0ea201f50:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^