Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4ed5dd078066bfcac826c1b68ce7bd8d44f13939178cf7fb2d55eafda3904d1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^