Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dcf75ae69f51a20fe0934b32ce166f5a2f2adb9bd6a852da09096693fd4dce98:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^