FindFailed Exception - image not found on screen

HI Team,

I created a sikuli script and was working fine for first few executions. But after that I am getting below error, for

*doubleClick({screenshot of safari})

[error] Stopped
[error] An error occurs at line 1
[error] Error message: Traceback (most recent call last):
 File "C:\Users\Neenu\AppData\Local\Temp\sikuli-tmp738514655512232684.py", line 1, in
 doubleClick("1350310634298.png")
 Line 14, in file C:\Users\Neenu\AppData\Local\Temp\sikuli-tmp738514655512232684.py

 at org.sikuli.script.Region.handleFindFailed(Region.java:420)
at org.sikuli.script.Region.wait(Region.java:511)
at org.python.proxies.sikuli.Region$Region$0.super__wait(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)

org.sikuli.script.FindFailed: FindFailed: can not find 1350310634298.png on the screen.
 Line 14, in file C:\Users\Neenu\AppData\Local\Temp\sikuli-tmp738514655512232684.py

Can anyone please help me?

Thanks