Symptoms

When attempting to execute List Activity Escalation Data method of Activity Escalation Data SmartObject from Workflow Reporting service the following error message is being displayed:
The identifier that starts with ‘AND, 0, ‘AND’, 1)
…
Is too long. Maximum length is 128.
Unclosed quotation mark after the character string ‘AND, 0, ‘AND’, 1)
…
Incorrect syntax near ‘AND, 0, ‘AND’, 1)
 

Diagnoses

This is known issue in K2 4.6.8 which you can also see in 4.6.9/4.6.10 RC
 

Resolution

This is known issue with K2 blackpearl. Currently there is no coldfix available for this issue.