Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52ef76ecd97483fe381c8d258881e6d5eda6e1579fe3cac13867bf9b8dd26a6f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^