Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> abdca0508d8d2648509b564f4581ba3f59e9e3a76815eab80d5ad4a3af0e17cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^