Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf890d85f2bf098031ad19ddcf57470d116c1eefbeb7f397df045fd1f4ea7de4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^