Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28978bac841196e44d7f1bae22e0e5eb4256d9cd63ae457e1050788270f5bcc6:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^