Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8748ba6e20c5e772e30a1f6ac696aae1abd4753c5e4304d9d0c09fa6593716d9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^