Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15209b227ebf22bbeea4e8372091ab8d5482ae9426eadd2357490a4528cd213c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^