Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ecb1ab4daff724bea5b1fe9c1feb70d0d7c93db8b16ab0b305f2e7955872b305:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^