Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1cb9944a9e63194d9443c972e5e717f4c0a85bbd6228abdb469251f836761f4f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^