Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68de8972af9221cde5eb509d7da25c9847f7d536482d7d241a47a3f9b95ba865:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^