Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb2207c984c71d5d357fabbeb2620af67b378bd3fb55153a7aaf43480ad4f9a7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^