Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e83feef8e66ad112ebb23f8da7ecd60ac59be276c9d65c15dbd4fc128c8d0c61:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^