Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 05a6724603b3dfefaaa3d8322c0cef0423cf59b48946d36bf9755c67b1528b2f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^