Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3c8a7d153f6950e42c6d6536fd88b20131b04e0edd6014df7abba8c3fca1b5ef:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^