Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 212670ba0eff19e49fd5015512c62446cf1aa4ea68d1abd4bbd5c45f420eec81:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^