Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 97f4e64fe0a7e1303aff2e5d156e2a4df8f66479700f5c16180018cd5680db3c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^