Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a17513e7f47ce1c85401933289ce4978857d230879f4047f2fe091df1caa7c5c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^