Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2a20b1945d13294a1cc0124402b53c5c1a78f54e4d58293fcf4fe45c32f6bca0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^