Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 506ea4f714cc02bda77f69cce44f6e4344ec6c864de4684ff1fc81f2c4b14c03:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^