Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81d9fc3433f1d859492308d07bec4b25086b10024a04baaf2e91ff0514e41945:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^