Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b8fbfe2a35694296af2ec04be3b2fe49e75d4a425af40f1e0d0232c0c25632c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^