Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 900a31470059e414bd577fa0b23dd9fd0b69bb33c0a40b0ed23eb8ec97b02682:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^