Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 551451035e7d4c31dba2b07b8d700846b13f3bf261e343e0f84d2bd8708ea525:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^