Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50e7afa51ffdb241926b7973d0c1ff63aed935f258e87be042045072892b2be9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^