Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f117d5f223f4152f68aa1b4bd6fbcfdce7dbea05a67dac23c410148e15c7eb32:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^