Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3a68e00a252ec629a2d216236b3794f1ea3eccfd90d1fe543543fc607f65e7dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^