Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 946e3bda9eaf1bdbd860abf06d1454f98faee43465cb08f45d8b02dfbccc85f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^