Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5cc91df70e8acfe1918f03c7145ebbde8e1061d9d84f925f0662980cc31bfdb7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^