Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2aa8e4e16f1f0c9e420a6b57918cff8f1a75433c715a87de1cb60b5cc10bbad2:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^