Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 531b5fbc4f20b4766a80b43353984890b788c965d0e002d81d132b56780ea61c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^