Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a474b5755b77f6b4a5a46ac3dd080a93c7c1e59eb8344a26d573fd384195042d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^