Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4c8b259f53677ef113aa200a9ef66aca1940837f630f2c633d2f1b3bc35c63cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^