Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0201709ac8aecf1087ec8979c80a5bfa3b65cbc4b88764821214f782b7f1af2d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^