Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c3ce900c1c18f15d13e04518f3c0dd29a1a32f38d7443c5448f09a97ae4dc22f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^