User Rol Not Working

[Sirfyaad]

i want to set user table permission. but showing data adding error. why

SWITCH(USEREMAIL(), 
  "<PII removed by staff>", "ADDS_AND_UPDATES", 
  "<PII removed by staff>", "ADDS_AND_UPDATES",
  "<PII removed by staff>", "ALL_CHANGES", 
  "READ_ONLY")

SWITCH(
....USEREMAIL()
...."<PII removed by staff>"
...."ADDS_AND_UPDATES"
...."<PII removed by staff>"
...."ADDS_AND_UPDATES"
...."<PII removed by staff>"
...."ALL_CHANGES"
...."READ_ONLY")

[WillowMobileSys]

What login email address is getting the error?

[Sirfyaad]

(PII Removed by Staff)