Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 502db1cd1d7d2187d5bbccc0f16c1e09f371423fbd9ea83b21844274eb19feab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^