Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 32bcfab2afb5ccb9e664663e6ea8504459c9b3e5777faff1a2757cde39c99d9c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^