Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8cbbc0641de999d5d99cabc439d54badad5f8571d118d63cef6f40f0d06c1e09:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^