Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 406a707c3bc3d71be2e6238621d7c699f2cf34095e70b23739d1d439f655054e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^