Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90b8f0d329b149c77f77c3dbe2e4c70ceffaf7427d1020b7a0e75be4d8ba672c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^