Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52bba84d664acf5e5b17318290294989b067d1d0df645af31d1c7d0c5de7829a:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^