Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 675be1073874310765a108f6218dd450c35d57b8a3c7c931641e4d42baad2edf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^