Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4a5e88c683c5f1a5c67bcea23001f95cb2422bcaff5a6babfad2657a84bfb64f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^