Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30faf2f92030652c213e869592de59c5cd51347920d699b4c492f40bafcc908f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^