Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a66b97722c1fae76f1ca8236e412781b7ab26c064679c0d2e65c63176b3805c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^