Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78f41e7d42e79f34b40f5cf98501e3fd050a8449795f229f8a2b582db87fd7dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^