Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc2103f8ece2de2f7970f9167fe848cb25b8c7b2a69b38001a9665af53c0108e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^