Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d2c920122875ff3d8b0022aeb21688f65b2abcd4077d24b3b2c14d0ca118be9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^