Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7cf7c3f7da152c8ef99618836f9bc14cf6f8c25c279455d5185ebf5830994ec5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^