Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 371d18059c2dd4dc2a835f864c41a914330f76ce5117c2682b5c21fe3c21dd2e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^