Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 16744a5b28314811cca2011da9edce4c07237b9c69236b1370660d9d737f8f6d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^