Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> feb993d06897573f784fe0fb653e0ec2c4700614efe17afed1f505d8f7a1a5dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^