Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> add93102ad60f6ddfa3aac97eadf75b618ec2b0bd56d92714a0c926bb3e82a0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^