Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 902fe404fcb712e38c288ef82dbf68707837a169579853a252d5495fe570414c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^