Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1feacd940f1d1af852dcc58e0f3a1fd4e1d1da435900e2fdf351aafe48eca37:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^