Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c23ca7f471b592f3376f062e9ce685eab38a4e17ac20c3d53f897ac2326f6fb7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^