Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae637a119652e5eafb864f3dd3e91fe2a3434e77d4d0c48ef5945dc51d4933ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^