Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4d03b6667931dda70197ea28becd836baeadfb8f91957161a0c8db296323ca3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^