Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5664345e7d1cb72fa89398625e5fd9288fd4293bd31be6cbc1ad7c45e4739bf9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^