Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42a7df0a39cb1a2b0b44ac96cc9b33a5302970b0820ad566cdc698c8e10a424d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^