Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b0c9f97e8a17969978cb80b4cb52fb27dfc0e62756d3fd0eec5a862627386dbe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^