Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ea153a59817befc30807b402831be6bb801f762b6d890906a1a4237dd03333b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^