Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dead9ab31b216bb5e2b35acf12e8e767da00b7865b737f5e0155d7e6759ddeca:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^