Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81236fd9cc607e76ae16ac60bfb609c834711a9da5cf4ccfd68c66adca10e5e5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^