Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64eb2f1133cfa14b7202a50d50694848b481513bdfc69c5cbe1b3b855cb7d8f1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^