Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3a9e31f063aa2966cf542e5c01f5ae1741269029e167d6c8b4c7776423a1a130:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^