Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d5013e24fe6595d77aab348b9b4c776a7c837ac81642021930978a35cdedeb81:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^