Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8b3445f5f4bbc202978c3dbded3b827b3cd8ed34e45f681c09f4a06278a803f6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^