Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e8d6f92283d47eb89e50da3238f6e63688d19d403130312fe2f30919a1411bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^