Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b71be3d00516d59e409503e856b3ddd8e132b5d6d8a106690857f7e1c094f7b5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^