tim Rowledge uploaded a new version of Services-Base to project The Trunk:
http://source.squeak.org/trunk/Services-Base-tpr.64.mcz

==================== Summary ====================

Name: Services-Base-tpr.64
Author: tpr
Time: 30 May 2018, 3:37:21.714582 pm
UUID: 45b99275-ad3f-4d0c-b83e-70f538baa1d7
Ancestors: Services-Base-dtl.63

Fix the magic-string to be compiled as #initialize to refer to ServiceRegistry current. This ought to have been causing errors since the class does not implement #buildProvider:

=============== Diff against Services-Base-dtl.63 ===============

Item was changed:
  ----- Method: ServiceProvider class>>newProviderFor: (in category 'provider creation') -----
  newProviderFor: packageName
  	| cls clsName |
  	clsName := ((packageName copyWithout: $-) , 'ServiceProvider') asSymbol.
  	cls := self subclass: clsName
  		instanceVariableNames: '' 
  		classVariableNames: '' 
  		poolDictionaries: ''
  		category: packageName.
  	cls class compile: 'initialize 
+ 	ServiceRegistry current buildProvider: self new' classified: 'initialization'.
- 	ServiceRegistry buildProvider: self new' classified: 'initialization'.
  	^ cls!