Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 36e666b9a296530eae1f5cbd24bc5f6bbab9a593ca191681bd4a62fc182808b2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^