Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 643f85827c19d4b8bba5db74ba2aea6ca8b2cfe69b401f52492e8bc786b16f57:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^