Your suggestion is correct. I correct the expression to

(FLMaterializer materializeFromFileNamed: aFileRefence fullName)

Now I get another exception.
KeyNotFound: key #'ositive8SmallIntegerClusterJ4Ü1‚ð+–( 
%?"<9ª6PM¾0d*ÒD ''x!Œ8' not found in SystemDictionary
I think this is a compatibility problem between different Fuel versions.


Am 05.08.2017 um 11:13 schrieb PBKResearch 


Just a suggestion: FLMaterializer class >>materializeFromFileNamed: requires as 
argument aFilename, not aFileRefence. Presumably this means the name as a 
string. This makes sense, because #convertToWithConverter: is the name of a 
method understood by strings. If your invocation of the materializer includes 
asFileReference, try again without that.

Hope this helps

Peter Kenny

From: Pharo-users [] On Behalf Of 
Johannes Brauer
Sent: 04 August 2017 23:56
To: Any question about pharo is welcome 
Subject: [Pharo-users] problem with FLMaterializer

Hi everyone,

 trying to migrate a Seaside application from Pharo4 to Pharo6 I get a problem 
with FLMaterializer.

An expression like

(FLMaterializer materializeFromFileNamed: aFileRefence)

results in
MessageNotUnderstood: FileReference>>convertToWithConverter:
The same file can be materialized in Pharo4  without problems.


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