Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0237faeb665005f684784de80a4240756a2094b5ea35763cfcb647382af459eb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^