Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 849946f3899528d39d9a8a5601c82e77d38b1b66e3a433f703742e25dddcff89:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^