Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0969428183a9af1c88f9316a9c87825a3e98576ddc252482c40d6c22d24f3865:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^