Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e388103a729af30ebfc57dc7f3ba820a1b870c921185c0a837e7c2fbc6e7246c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^