Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21382a63aad83405bcf45b0e568c6cf34b7584c004e489b76ba035023ece6f2e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^