Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cc0b71de650aadba90a209acd4bc71d70e50d4204bb894d22243f05aacf4d9b3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^