Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c39f3aadb91211e44ed00638955dfde3eadb3c97c6c1ef8b303c61ebfaa7badd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^