Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e2a1dd917dc717e6fd7cb12d28904ec2f5823d0018b5283c8be9e6c381892f02:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^