Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85cdcadf595528f1eab64914af209e58687e75364ac9dc25900ebacc7b14e772:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^