Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a33729bf3a5342f97aab47883e2870b3ed863ca451d8d8a7a62287c3156f3f4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^