Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f9f6788f200c4488496236d1c3fe8565779c60b0ae48681fe12dc0c79a898de:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^