Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d13efcc1f8c5b68babd473e8906f351982bb59d21bc701b5d2dde25d9ea140d3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^