Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fce6de563c6fda1b5c47183e02d84ab2f1973178780d1ee2507535326ca2e7a2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^