Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> abc9b3763b993dbe513aeaa7fe5a837f0bd01f2701516b255815ba969a89b68d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^