Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec2dcb161cb51df3d84b63371c3dd1fe3116b36b017358bcc69d110dda52d9be:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^