Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efa579203a09d0a05e81837ae144154db6b4b5bde269cada9cce5bba2bd1666f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^